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author | imp <imp@FreeBSD.org> | 2006-07-14 22:47:07 +0000 |
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committer | imp <imp@FreeBSD.org> | 2006-07-14 22:47:07 +0000 |
commit | 514e7fc291e22139df0e31ff59dc547d2b16e5d5 (patch) | |
tree | e12e1547bbd9d90830bf10ea3984258d3ae53ddc /sys/dev/spibus/spibus_if.m | |
parent | 29ab994ef0c5f04e4d6ffe65f87a279d44b39488 (diff) | |
download | FreeBSD-src-514e7fc291e22139df0e31ff59dc547d2b16e5d5.zip FreeBSD-src-514e7fc291e22139df0e31ff59dc547d2b16e5d5.tar.gz |
MFp4:
Initial spibus support. Seems to be OK, but needs some polish.
# someone should write a bit-bang spi parallel port interface :-)
Diffstat (limited to 'sys/dev/spibus/spibus_if.m')
-rw-r--r-- | sys/dev/spibus/spibus_if.m | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/sys/dev/spibus/spibus_if.m b/sys/dev/spibus/spibus_if.m new file mode 100644 index 0000000..4e8fa11 --- /dev/null +++ b/sys/dev/spibus/spibus_if.m @@ -0,0 +1,41 @@ +#- +# Copyright (c) 2006 M. Warner Losh +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +# SUCH DAMAGE. +# +# $FreeBSD$ +# + +#include <sys/bus.h> +#include <dev/spibus/spi.h> + +INTERFACE spibus; + +# +# Do a spi command +# +METHOD int transfer { + device_t dev; + device_t child; + struct spi_command *cmd; +}; |